package cn.codexin.wechatofficial.config;

import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author ：zhanfan
 * @date ：Created in 2020/10/5 16:31
 */
@Component
class CORSFilter implements Filter {

    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {

        HttpServletResponse response = (HttpServletResponse) res;
        String originHeader=((HttpServletRequest) req).getHeader("Origin");
        response.setHeader("Access-Control-Allow-Origin", originHeader);
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, HEAD");
        response.setHeader("Access-Control-Max-Age", "3600");
        response.setHeader("Access-Control-Allow-Headers", "access-control-allow-origin, openid, content-type, version-info, X-Requested-With");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        chain.doFilter(req, res);

    }

    public void init(FilterConfig filterConfig) {}

    public void destroy() {}

}
